Articles | Volume 14, issue 12
Clim. Past, 14, 1881–1891, 2018

Special issue: The 4.2 ka BP climatic event

Clim. Past, 14, 1881–1891, 2018

Research article 07 Dec 2018

Research article | 07 Dec 2018

Hydro-climatic variability in the southwestern Indian Ocean between 6000 and 3000 years ago

Hanying Li et al.

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Cited articles

Arz, H. W., Lamy, F., and Pätzold, J.: A pronounced dry event recorded around 4.2 ka in brine sediments from the northern Red Sea, Quaternary Res., 66, 432–441, 2006. 
Baker, A., Ito, E., Smart, P. L., and McEwan, R. F.: Elevated and variable values of 13C in speleothems in a British cave system, Chem. Geol., 136, 263–270, 1997. 
Bar-Matthews, M., Ayalon, A., and Kaufman, A.: Late Quaternary paleoclimate in the eastern Mediterranean region from stable isotope analysis of speleothems at Soreq Cave, Israel, Quaternary Res., 47, 155–168, 1997. 
Berke, M. A., Johnson, T. C., Werne, J. P., Grice, K., Schouten, S., and Damsté, J. S. S.: Molecular records of climate variability and vegetation response since the Late Pleistocene in the Lake Victoria basin, East Africa, Quaternary Sci. Rev., 55, 59–74, 2012. 
Berkelhammer, M., Sinha, A., Stott, L., Cheng, H., Pausata, F. S. R., and Yoshimura, K.: An abrupt shift in the Indian monsoon 4000 years ago, Geophysical Monograph Series, 198 pp., 2012. 
Short summary
The 4.2 ka event between 4.2 and 3.9 ka has been widely discussed in the Northern Hemsiphere but less reported in the Southern Hemisphere. Here, we use speleothem records from Rodrigues in the southwestern Indian Ocean spanning from 6000 to 3000 years ago to investigate the regional hydro-climatic variability. Our records show no evidence for an unusual climate anomaly between 4.2 and 3.9 ka. Instead, it shows a multi-centennial drought between 3.9 and 3.5 ka.